KNACRO 4-Channel DC 5V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Key features
- •4-channel, DC 5V 30A relay module
- •Output capacity: within DC 30V 30A or AC 250V 30A.
- •Using optocoupler isolation, strong anti-jamming capability and stable performance.
- •The module can be set high or low trigger.
- •To ensure stability, uses industrial grade PCB board and 9.5mm barrier terminals.
BrandKNACRO
CategoryPower Converters
KNACRO 4-Channel DC 5V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
List Price: $38.02$34.22DEALYou Save: $3.80 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It October 24, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
